Audiovox CDM-9900

i deleted meda gallery cuz i was sending ringtones to my email and i got 1 and it would not save alltho there is like 4000 kb left in media gallery so over time i got pissed and erased the whole gallery, and with it every thing i had gone, is their any to get this back, all i really wont is 1 background it was blue and kinda faded, it was lik squares or someting, if someone would email it to [email protected] or tell me how to reset phone